Improvement in steam generators and hot-water apparatus



Q 5H, DM/M Inventor ditched ,gieten aient dtijiirr.

JAMESRIGBY AND PHILIP A. PALMER, 'OF MARIETTA, OHIO.

Letters Patent No. 108,394, dated October 18, 1870.

IMPROVEMENT IN STEAM GENERATORS AND HOT-WATER APPARATUS.

The Schedule referred to in these Letters Patent and making part of thesame.

`is a full and exact description of the same,l reference Abeing had tothe accompanying drawing and to the letters of reference marked thereon.

This invention consists in the peculiar construction of the boiler andfurnace of an improved heating apparatus, and also in the arrangement ofthe tanks and connecting-pipes.

y The details ot' construction and manner ot' opera tion will be fullydescribed hereinafter.

In the drawing- In sheetl is shown a perspective view of our improvedapparatus complete.

In sheet 2, Figure 1, apartial perspective view is also shown, takenfrom a different point ot' view Figure 2 represents a central verticalsection ofthe boiler; and

Figure 3, a centra-l longitudinal section ofthe same.

To enable others skilled in the art to make and use our invention, wewillnow proceed to describe fully its construction and method ofoperation..

A represents the furnace, which contains the boiler B, as shown.

O represents the supply-tank for the boiler.

I) represents the main reservoir, from which`the supply of water isdrawn; and

E represents the steam-chamber in which the steam is stored, and fromwhich it is conveyed to any desired point.

@represents the pipe which connects the supplytank() with the boiler B,by means of which the necessary supply of water is kept up.

71 represent-s a pipe connecting the upper part of the supply-tank withthe upper chamber ci' the boiler, by means of'which the pressure in bothchambers is equalized.

c represents the pipe which connects the lower chamber of the boilerwith the upper.

d represents the pipe connecting the upper Achamber of the boiler withreservoir E, by means of which the steam is conveyed from the former tothe latter.

e represents the pipe connecting the 4main waterreservoir D with thesupply-tank O, by means 0f which water is supplied as may be necessary.

f represents a pipe connecting the tank E with the pipe a., by means ofwhich the contents of the 'former may be drawn oi', if desired.

Th'e boiler B is peculiar in its construction. It consists of twovessels or chambers, b b2, of the same shape and size, which areprovided with diaphragms b3 b4, as shown, and arcunited at abut theircenters, by means of a nipple, 115, as shown in g. 2, sheet 2. It willbe observed that the upper end of this nipple is flush with the bot-tomof the upper chamber, but extends a short distance below the top ofthelower chamber. By means of this arrangement any water'which may becondensed from the steam'in the upper chamber `is permitted to ow backinto the lower chamber.

It will be observed that the sides of the boiler are inclined, and thesides of the furnace, in which it is inclosed, correspond with it inshape. The advantages of this construction will be perceived uponcareful consideration. i

The boiler is brought into close contact with the fire, which, in tact,envelopes its lower part. Intense heat is thus quickly and easilyobtained from a small amount of fuel.

The manner of operating our improved apparatus, when used for; thegeneration of steam, will now be described. f t

VVat'er is admitted into the lower section of the -boiler B from thetank C, by means of the pipe a,

until it is filled, the height of the water being determined by thewateigauge g in the usual manner. The fire may now be started, and, asthe water is heated, the generated steam will be driven in the directionof the arrows, (iig. 3, sheet 2,) out of the chamber bl through the pipec into chamber b2, when it becomes super-heated, and thence out throughpipe d into reservoir E, from which it may be conveyed to any desiredpoint.

rIhe pipe d is provided with an ordinary steam,- gauge, 'to indicate thepressure of the steam, and the tank E 'is supplied with a safety-valveof any proper construction.

Any water which may collect in tank E, from the condensing steam, may bedrawn oli" by means of the ipe f. p When it is desired to replenish thesupply-tank (l with water from-the tank D, the stop-cocks 7i, sheet 1,and h', sheet 2, iig. 1, are closed, by which means the connectionbetween the supply-tank C and the boiler is cut ofi'. The blow-oli` cocki upon the tank is, then opened, and the steam allowed to pass olf. Thevalve j now beingcpened, the water from water-reservoir D will passdirectly into the supv ply-tank by means ot' its own gravity, thepressure ot' steam from the boiler having .been cnt oii from the tank,by means of the valves described, and the steam having been allowed toescape ii'om the tank itself'.

, When oui-improved apparatus is used as a hotwater heater, th'esupply-tank O s not used.

The tank E is illed with water from tank I), by

Y means ofthe pipe e, which connects with the pipe a;

`or it may be drawn from the tank E by means of the pipe f, the tank Ebeing replenished from the tank D.'

vlqlie special form and arrangement of our appara,- tus are especiallyadaptedfor a hot-water heater, inasmncl'l as a large supply of heat is'obtained from the consumption of a small amount of fuel.

The boilers are provided with the usual hand-holes and openings, forcleaning'purposes. We do not limit ourselves to the precise position ofparts shown, nor tothe precise arrangement of pipes, but design, inpractice, to makevsuch changes as may be necessary inthe varyingcircumstances ofthe case.

` Having thus fully described our invention,

What we claim as new, and desire to' secure by Letters Patent of theUnited States, is-

'1. TheboilerB, constructed specifically as described,

day of June, 1870. Y

. JAMES RIGBY'. Witnesses: PHILIP A. PALMER..

F. A. WHEELER,

Mrs. P. PALMER.

